<template>
  <div>
    <!-- 商品分类三级路由 -->
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread: 面包屑，左上角带有X的记录结构-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- <li class="with-x">手机</li> -->
            <!-- 分类的面包屑 -->
            <li class="with-x" v-if="searchParams.categoryName">
              {{searchParams.categoryName}}
              <i @click="removeCategoryName">×</i>
            </li>
            <!-- 关键字的面包屑 -->
            <li class="with-x" v-if="searchParams.keyword">
              {{searchParams.keyword}}
              <i @click="removeCategoryKeyword">×</i>
            </li>
            <!-- 点击品牌的面包屑进行展示 -->
            <li class="with-x" v-if="searchParams.trademark">
              {{searchParams.trademark.split(':')[1]}}
              <i @click="removeTrademark">×</i>
            </li>
            <!-- 展示平台售卖属性值的面包屑展示 -->
            <li class="with-x" v-for="(attrValue, index) in searchParams.props" :key="index">
              {{attrValue.split(':')[1]}}
              <i @click="removeAttrValue(index)">×</i>
            </li>
            
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo"/>

        <!--details：详情模块-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <!-- 排序的结构 -->
              <ul class="sui-nav">
                <li :class="{active: isOne}" @click="changeOrder('1')">
                  <a >综合<span v-show="isOne" class="iconfont" :class="{'icon-up':isAsc, 'icon-down':isDesc}"></span></a>
                </li>
                <li :class="{active: isTwo}" @click="changeOrder('2')">
                  <a>价格<span v-show="isTwo" class="iconfont icon-down" :class="{'icon-up':isAsc, 'icon-down':isDesc}"></span></a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 销售的产品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(good, index) in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <!-- 在路由跳转的时候切记别忘记带id（params）参数 -->
                    <router-link  :to="`/detail/${good.id}`">
                      <!-- <img :src="good.defaultImg" /> -->
                      <img v-lazy="good.defaultImg" />
                      <!-- <img src='@/assets/1.gif' /> -->
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i style="padding-left: 5px;">{{good.price.toFixed(2)}}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a
                      target="_blank"
                      href="item.html"
                      title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                    >{{good.title}}</a>
                  </div>
                  <div class="commit">
                    <i class="command">
                      已有
                      <span>2000</span>人评价
                    </i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                    >加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 -->
          <!-- <div class="fr page">
            <div class="sui-pagination clearfix">
              <ul>
                <li class="prev disabled">
                  <a href="#">«上一页</a>
                </li>
                <li class="active">
                  <a href="#">1</a>
                </li>
                <li>
                  <a href="#">2</a>
                </li>
                <li>
                  <a href="#">3</a>
                </li>
                <li>
                  <a href="#">4</a>
                </li>
                <li>
                  <a href="#">5</a>
                </li>
                <li class="dotted">
                  <span>...</span>
                </li>
                <li class="next">
                  <a href="#">下一页»</a>
                </li>
              </ul>
              <div>
                <span>共10页&nbsp;</span>
              </div>
            </div>
          </div> -->
          <Pagination :pageNo="searchParams.pageNo" :pageSize="searchParams.pageSize" :total="total" :continues="5" @getPageNo="getPageNo" />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "./SearchSelector/SearchSelector";
import { mapGetters, mapState } from "vuex";
export default {
  name: "Search",

  components: {
    SearchSelector
  },
  data() {
    return {
      searchParams: {
        //一级分类id
        category1Id: "",
        //二级分类id
        category2Id: "",
        //三级分类id
        category3Id: "",
        //分类名字
        categoryName: "",
        //关键字
        keyword: "",
        //排序:初始状态应该是综合|降序  (1:综合。2：价格)  升序：asc  ,降序：desc
        order: "1:desc",
        //分页器：当前第几页
        pageNo: 1,
        //每页展示数据个数
        pageSize: 5,
        //平台售卖属性操作带的参数
        props: [],
        //品牌
        trademark: ""
      }
    };
  },
  created() {},
  //在组件挂载完毕之前执行一次，【先于mounted之前】
  beforeMount() {
    // console.log(this.$route.query);
    //复杂的写法
    // this.searchParams.category1Id = this.$route.query.category1Id
    // this.searchParams.category2Id = this.$route.query.category2Id
    // this.searchParams.category3Id = this.$route.query.category3Id
    // this.searchParams.categoryName = this.$route.query.categoryName

    // Object.assign(searchParams, query, params)合并对象写法
    Object.assign(this.searchParams, this.$route.query, this.$route.params);
  },
  // 组件挂载完毕执行一次【仅仅执行一次】
  mounted() {
    //在发请求之前带给服务器的参数【searchParams参数发生变化，有数值带给服务器】
    this.getData();
  },
  computed: {
    ...mapState({
        // goodsList:state=>state.search.searchList.goodsList
        total:state=>state.search.searchList.total
    }),
    //mapGetters里面面的写法：传递的数组，因为getters计算是没有划分模块【home、search】
    ...mapGetters(["goodsList", "trademarkList", "attrsList"]),
    isOne(){
        return this.searchParams.order.indexOf('1')!=-1
    },
    isTwo(){
        return this.searchParams.order.indexOf('2')!=-1
    },
    //是否升序
    isAsc(){
        return this.searchParams.order.indexOf('asc')!=-1
    },
    //是否降序
    isDesc(){
        return this.searchParams.order.indexOf('desc')!=-1
    },
    
  },
  // 数据监听：监听组件实例身上的属性的属性值的变化
  watch: {
    // 监听属性
    $route(newValue, oldValue) {
      //先清空参数，再处理参数
      this.searchParams.category1Id = undefined
      this.searchParams.category2Id = undefined
      this.searchParams.category3Id = undefined
      //再次发请求之前，整理参数带给服务器
      Object.assign(this.searchParams, this.$route.query, this.$route.params);
      //再次发起请求
      this.getData();
      // 每次请求完毕，把相应的1，2，3级分类id 置空，让它接收下一次的相应1，2，3级的id
      // 分类的名字与关键字不用不用清空：因为每一次路由发生变化的时候，都会给他赋予新的数据
    }
  },
  methods: {
    // 向服务器发送请求获取search模块数据（根据参数不同返回不同的数据进行展示）
    //把请求封装为函数，在需要时候进行调用即可
    getData() {
      //派发aciot
      this.$store.dispatch("getSearchList", this.searchParams);
    },
    //删除分类的名字
    removeCategoryName() {
        // 把带给服务器的参数置空了， 还需要再次向服务器发请求得到全部数据
        // 设置为undefined字段再次调用就没用给服务器发送，优化服务器性能，如果设置为空字符串 ‘’ ，就会带上参数继续发送，
        //带给服务器参数说明可有可无：对象当中某一个属性值为undefined，是可以不用带给服务器的
        this.searchParams.categoryName = undefined
        this.searchParams.category1Id = undefined
        this.searchParams.category2Id = undefined
        this.searchParams.category3Id = undefined
        this.getData()
        //地址栏也需要改:进行路由跳转  --干掉了query参数,保留params参数
        if(this.$route.params){
            this.$router.push({name: "search", params: this.$route.params})
        }
    },
    //删除关键字
    removeCategoryKeyword(){
        //给服务器带的参数searchParams的keyword置空
        this.searchParams.keyword = undefined
        //再次发请求
        this.getData()
        // 通知兄弟组件 Header清除关键字
        this.$bus.$emit("clear")
        //进行路由的跳转
        if(this.$route.query){
            this.$router.push({name: "search", query: this.$route.query})
        }
        
    },
    //自定义事件的回调
    trademarkInfo(trademark){
        //整理品牌字段的参数  ："品牌ID:品牌名称"  ===> "1:苹果"
        // console.log('qqq', trademark);
        this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`
        //再次发请求获取search模块的列表数据进行展示
        this.getData()
    },
    //删除品牌的信息
    removeTrademark(){
        //将品牌信息置空，再次发送请求
        this.searchParams.trademark = undefined
        this.getData()
    },
    // 收集平台属性地方的回调函数（自定义事件）
    attrInfo(attr, attrValue){
        // ["属性ID:属性值:属性名"]
        // console.log(attr,attrValue);
        let props = `${attr.attrId}:${attrValue}:${attr.attrName}`
        //数组去重，在数组中存在，就不用再加进去
        if(this.searchParams.props.indexOf(props)==-1){
            this.searchParams.props.push(props)
        }
        
        // 再次发请求
        this.getData()
    },
    //删除售卖属性的面包屑展示
    removeAttrValue(index) {
        // console.log('111', index);
        // 再次整理参数
        this.searchParams.props.splice(index, 1)
        // 再次发请求
        this.getData()
    },
    //排序的操作
    changeOrder(flag){
        // console.log(flag);
        // flag是个形参，代表用户点击的时候是综合(1)还是价格(2)
        //先获取起始的状态
        let originOrder = this.searchParams.order
        let originFlag = originOrder.split(':')[0]
        let originSort = originOrder.split(':')[1]
        // let originFlag = this.searchParams.order.split(':')[0]
        // let originSort = this.searchParams.order.split(':')[1]
        // console.log(originFlag, originSort);
        // console.log('起始flag'+originFlag, '用户点击flag'+flag);
        //准备一个新的order的值， 排序方式
        let newOrder = ''
        //这个语句能确定点击的一定是综合
        //在同一按钮内判断降序与升序的问题
        if(flag == originFlag){
            newOrder = `${originFlag}:${originSort=='desc'?'asc':'desc'}`
            console.log(newOrder);
        } else {
            //这里点击的是价格
            //点击不同按钮后，默认值为降序
            newOrder = `${flag}:${'desc'}`
        }
        // 将新的order赋予searchParams
        this.searchParams.order = newOrder
        // 再次发请求
        this.getData()
    },
    // 分页器的自定义事件--获取当前第几页
    getPageNo(pageNo){
      // console.log('PPP', pageNo);
      // 整理带给服务器的参数
      this.searchParams.pageNo = pageNo
      //再次发请求
      this.getData()
    }
  }
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>